<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table BORDER="1">
    <tr>
        <td></td>
        <td>X</td>
        <td>Y</td>
        <td>Z</td>
    </tr>
    <tr>
        <td>A</td>
        <td>100</td>
        <td>200</td>
        <td>300</td>
    </tr>
    <tr>
        <td>B</td>
        <td>400</td>
        <td>500</td>
        <td>600</td>
    </tr>
    <tr>
        <td>C</td>
        <td>700</td>
        <td>800</td>
        <td>900</td>
    </tr>
</table>
</body>
</html>